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高效粘弹性调堵剂的研制及应用

石油钻采工艺

1998年 20卷第1期

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Title

THE DEVELOPMENT AND APPLICATION OF HIGH-EFFICIENT VISCOELASTIC PROFILE CONTROL AND WATER SHUTOFF AGENT

作者

王健韩显卿

Authors

Wang Jian Han Xianqing

单位

西南石油学院

摘要

根据高聚物的粘弹性机理,研制出适用于封堵中、低渗透油层的高效粘弹性调堵剂。该调堵剂可用于调整产层间及层内不同方向上的吸水剖面,达到提高采收率的目的,且不会对地层造成不良伤害。该调堵剂具有性能好,成本低的特点,已在一些油田施工应用,取得较好的控水增油效果。可进一步推广应用。

Abstract

The high-efficient viscoelastic profile control and water shutoff agent which applied to plug medium-low permeability reservoirs was developed on the basis of the viscoelastic mechanism of high polymer. The agent can be used to adjust the water injection profile among payzones or in different directions among payzones in order to enhance oil recovery. It has characteristics of good properties and low cost and was applied in some oilfields with the good effect of water control and oil increment. So further popularization and application are needed.

关键词：

调整剖面; 粘弹性; 堵水剂; 综合; 效应; 试验; 应用;

Keywords:

profile control; viscoelastic property; water shutoff agent; integration; effect; testing;

基金项目

DOI

10.3969/j.issn.1000-7393.1998.01.021